摘要：采用实验型SDF砂磨机为湿法超细研磨设备,研究介质级配、介质密度及介质与物料质量比对方解石超细研磨效果的影响。结果表明:在磨矿的起始阶段,直径大的研磨介质的研磨效果较好,但随着磨矿过程的进行,直径小的研磨介质的研磨效果较好,直至磨矿结束。在介质体积相同时,介质密度越大,磨矿效率越高;在介质质量相同时,介质密度越小,研磨效率越高。方解石湿法超细研磨的适宜介质与物料质量比为4∶1。

关键词： 方解石；超细粉碎；研磨介质

Abstract： The experimental SDF sand mill was used as the wet ultrafine grinding equipment to study the effect of media's gradation， media's density and the mass ratio of media to feed on wet ultrafine grinding for calcite. The results showed that， at the initial stage of grinding， the grinding efficiency of the large grinding media was better than the smaller one， but with the grinding went on， the grinding efficiency of the smaller one becoming better than the larger one till the end. When the volume of media was at the same level， the larger the media's density， the higher the grinding efficiency. When the quality of media was at the same level， the smaller the media's density， the higher the grinding efficiency. It was concluded that the suitable mass ratio of media to feed of wet ultrafine grinding for calcite was 4 ∶ 1. 

Keywords：calcite； ultrafine grinding； grinding medium